5. the sequence of events in the action potential in a contractile fiber of the heart. (Include the events in the ion channels involved.) (1a) norepinephrine from the Sympathetic Division of the ANS stimulates a given conducting myofiber or contractile cardiac muscle cell to depolarize; or,
Actress | Producer. Patridge was born in Los Angeles, California, to Lynn (Clelland) and Mark Patridge, and is the eldest of four children. She has English, German, Belgian (Walloon and Flemish), Italian, and Polish ancestry.
Lauren DâAndria Williams â Porsha Williamsâ Pregnant Sister. Lauren D'Andria Williams. Lauren D'Andria Williams is the sister and longtime executive assistant of Porsha Williams from the Real Housewives of Atlanta. Because she is pregnant, we see that Porsha has to adjust to not having her around all the time. In addition to being Porsha's assistant, Lauren is also the co-owner and supervisor at NAKED Virgin Hair, Porsha's hair extension line.